Patents by Inventor Csaba Ladanyi

Csaba Ladanyi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4255139
    Abstract: The invention relates to a retractor for the correction of dental misplacement comprising two wire members overlapping each other and displaceable relative to each other in a longitudinal direction against the action of a helical pressure spring, the first of said wire members carrying said pressure spring between the end overlapping the second wire member and a guiding member comprising an opening to hold said guiding member displaceably on said first wire member, and said second wire member being displaceably guided along said first wire member by means of said guiding member which is in the form of a tube.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: March 10, 1981
    Inventor: Csaba Ladanyi